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Alkermes

388 hedge funds and large institutions have $6.2B invested in Alkermes in 2026 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 121 increasing their positions, 148 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

63% more first-time investments, than exits

New positions opened: 75 | Existing positions closed: 46

23% more capital invested

Capital invested by funds: $5.05B → $6.2B (+$1.15B)

6% more funds holding

Funds holding: 366388 (+22)

10% more call options, than puts

Call options by funds: $12.1M | Put options by funds: $11M

3.49% less ownership

Funds ownership: 109.24%105.75% (-3.5%)

18% less repeat investments, than reductions

Existing positions increased: 121 | Existing positions reduced: 148

Holders
388
Holders Change
+22
Holders Change %
+6.01%
% of All Funds
4.78%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
75
Increased
121
Reduced
148
Closed
46
Calls
$12.1M
Puts
$11M
Net Calls
+$1.09M
Net Calls Change
+$17.6M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$1B +$1.3M +41,998 +0.1%
BBA
2
Baker Bros. Advisors
New York
$354M
VPM
3
Vanguard Portfolio Management
Pennsylvania
$336M +$295M +9,511,112 New
State Street
4
State Street
Massachusetts
$335M -$235K -7,572 -0.1%
VCM
5
Vanguard Capital Management
Pennsylvania
$263M +$230M +7,427,397 New
Renaissance Technologies
6
Renaissance Technologies
New York
$218M -$15.7M -507,600 -8%
American Century Companies
7
American Century Companies
Missouri
$215M +$3.58M +115,279 +2%
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$165M -$134M -4,334,387 -48%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$160M +$3.4M +109,595 +2%
CC
10
Commodore Capital
New York
$149M +$20.2M +650,000 +18%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$148M +$3.15M +101,491 +2%
DTC
12
Deep Track Capital
Connecticut
$127M +$49.3M +1,590,323 +80%
JP Morgan Chase
13
JP Morgan Chase
New York
$124M -$33.6M -1,082,758 -21%
Wellington Management Group
14
Wellington Management Group
Massachusetts
$105M -$1.56M -50,276 -2%
First Trust Advisors
15
First Trust Advisors
Illinois
$105M +$47M +1,514,783 +104%
Primecap Management
16
Primecap Management
California
$89.8M -$754K -24,310 -0.9%
N
17
Nuveen
North Carolina
$87M +$1.04M +33,541 +1%
Holocene Advisors
18
Holocene Advisors
New York
$81.9M +$71.9M +2,317,326 New
Citadel Advisors
19
Citadel Advisors
Florida
$79.3M +$32.4M +1,043,316 +87%
Charles Schwab
20
Charles Schwab
California
$79.1M +$2.61M +84,000 +4%
BI
21
BVF Inc
California
$70.7M +$62M +2,000,000 New
SCM
22
Soleus Capital Management
Connecticut
$69.7M +$20.1M +648,500 +49%
Goldman Sachs
23
Goldman Sachs
New York
$66.6M -$12M -385,410 -17%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$63.1M -$3.66M -117,941 -6%
Morgan Stanley
25
Morgan Stanley
New York
$61.4M -$4.73M -152,396 -8%